AutoCAD二次开发报错:Autodesk.AutoCAD.Runtime.Exception eLockViolation

非模态窗口,要锁定文档才可以操作。

DocumentLock docLock = Application.DocumentManager.MdiActiveDocument.LockDocument();

docLock.Dispose();

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转载自blog.csdn.net/u013179508/article/details/142563763